body{
  margin: auto;
}
/*logo区域
***********/

header{
width:980px;
margin: auto;
padding: auto;
}
header b{
 color:green;
}
h1{
  width: 98px;
  float: left;
  margin: 0
}
.text{
  float: left;
  line-height: 2.5;
}
.logo{
  float: left;
  width: 60%;
}
header{
  padding: 0 5%;
  border-top: 4px solid #000;
}
header nav{
  float: left;
  width: 40%;
}
header nav ul{
  list-style: none;
}
header nav ul li{
  float: left;
  width: 20%;
  text-align: center;
  padding: 5px;
}
.active a{
  color: #fff;
}
nav a{
  
}
